Type: Boolean

If you omit this optional return value, a run-time error occurs if the file cannot be found. If you include a return value, it is assumed that you will handle any errors.

true if the file was uploaded; otherwise, false.

In the new architecture the business logic is run on the middle-tier server and not on the client.

This means that in Microsoft Dynamics NAV, files are created on the Microsoft Dynamics NAV service and not locally on the client computer as is the case in the Classic client. When you write code for the application, you must therefore remember where the files are created.

UPLOAD Function (File) and UPLOADINTOSTREAM Function (File) are used to send a file from a RoleTailored client to a Microsoft Dynamics NAV service.

DOWNLOAD Function (File) and DOWNLOADFROMSTREAM Function (File) are used to send a file from a Microsoft Dynamics NAV service to a RoleTailored client.

Reference